As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STGR19R AT FS477.40 BEHIND UNDERFLOOR RISER DUCT. REPLACED STRINGER SPLICE AT STR19R FS477.40 BEHIND UNDERFLOOR RISER DUCT. REF DWG# SH690-30006 REV: C AND SRM 51-42-06-001-001-A01 REV:38 . COMPLIED WITH ALL STEPS OF TASK CARD 51-900-1002-SKY. PRESSURE CHECKED GOOD.